]>
Commit | Line | Data |
---|---|---|
5010cb5f JH |
1 | /* |
2 | * Builtin "git grep" | |
3 | * | |
4 | * Copyright (c) 2006 Junio C Hamano | |
5 | */ | |
6 | #include "cache.h" | |
7 | #include "blob.h" | |
8 | #include "tree.h" | |
9 | #include "commit.h" | |
10 | #include "tag.h" | |
1362671f | 11 | #include "tree-walk.h" |
5010cb5f | 12 | #include "builtin.h" |
3e230fa1 | 13 | #include "parse-options.h" |
678e484b JS |
14 | #include "string-list.h" |
15 | #include "run-command.h" | |
60ecac98 | 16 | #include "userdiff.h" |
83b5d2f5 | 17 | #include "grep.h" |
493b7a08 | 18 | #include "quote.h" |
59332d13 | 19 | #include "dir.h" |
5b594f45 | 20 | |
3e230fa1 | 21 | static char const * const grep_usage[] = { |
62b4698e | 22 | "git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]", |
3e230fa1 RS |
23 | NULL |
24 | }; | |
25 | ||
5b594f45 FK |
26 | static int use_threads = 1; |
27 | ||
28 | #ifndef NO_PTHREADS | |
29 | #define THREADS 8 | |
30 | static pthread_t threads[THREADS]; | |
31 | ||
32 | static void *load_sha1(const unsigned char *sha1, unsigned long *size, | |
33 | const char *name); | |
34 | static void *load_file(const char *filename, size_t *sz); | |
35 | ||
36 | enum work_type {WORK_SHA1, WORK_FILE}; | |
37 | ||
38 | /* We use one producer thread and THREADS consumer | |
39 | * threads. The producer adds struct work_items to 'todo' and the | |
40 | * consumers pick work items from the same array. | |
41 | */ | |
9cba13ca | 42 | struct work_item { |
5b594f45 FK |
43 | enum work_type type; |
44 | char *name; | |
45 | ||
46 | /* if type == WORK_SHA1, then 'identifier' is a SHA1, | |
47 | * otherwise type == WORK_FILE, and 'identifier' is a NUL | |
48 | * terminated filename. | |
49 | */ | |
50 | void *identifier; | |
51 | char done; | |
52 | struct strbuf out; | |
53 | }; | |
54 | ||
55 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
56 | * that have been or are processed by a consumer thread. We haven't | |
57 | * written the result for these to stdout yet. | |
58 | * | |
59 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
60 | * up by a consumer thread. | |
61 | * | |
62 | * The ranges are modulo TODO_SIZE. | |
63 | */ | |
64 | #define TODO_SIZE 128 | |
65 | static struct work_item todo[TODO_SIZE]; | |
66 | static int todo_start; | |
67 | static int todo_end; | |
68 | static int todo_done; | |
69 | ||
70 | /* Has all work items been added? */ | |
71 | static int all_work_added; | |
72 | ||
73 | /* This lock protects all the variables above. */ | |
74 | static pthread_mutex_t grep_mutex; | |
75 | ||
1487a12b JH |
76 | static inline void grep_lock(void) |
77 | { | |
78 | if (use_threads) | |
79 | pthread_mutex_lock(&grep_mutex); | |
80 | } | |
81 | ||
82 | static inline void grep_unlock(void) | |
83 | { | |
84 | if (use_threads) | |
85 | pthread_mutex_unlock(&grep_mutex); | |
86 | } | |
87 | ||
5b594f45 FK |
88 | /* Signalled when a new work_item is added to todo. */ |
89 | static pthread_cond_t cond_add; | |
90 | ||
91 | /* Signalled when the result from one work_item is written to | |
92 | * stdout. | |
93 | */ | |
94 | static pthread_cond_t cond_write; | |
95 | ||
96 | /* Signalled when we are finished with everything. */ | |
97 | static pthread_cond_t cond_result; | |
98 | ||
08303c36 | 99 | static int skip_first_line; |
431d6e7b | 100 | |
5b594f45 FK |
101 | static void add_work(enum work_type type, char *name, void *id) |
102 | { | |
103 | grep_lock(); | |
104 | ||
105 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
106 | pthread_cond_wait(&cond_write, &grep_mutex); | |
107 | } | |
108 | ||
109 | todo[todo_end].type = type; | |
110 | todo[todo_end].name = name; | |
111 | todo[todo_end].identifier = id; | |
112 | todo[todo_end].done = 0; | |
113 | strbuf_reset(&todo[todo_end].out); | |
114 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
115 | ||
116 | pthread_cond_signal(&cond_add); | |
117 | grep_unlock(); | |
118 | } | |
119 | ||
120 | static struct work_item *get_work(void) | |
121 | { | |
122 | struct work_item *ret; | |
123 | ||
124 | grep_lock(); | |
125 | while (todo_start == todo_end && !all_work_added) { | |
126 | pthread_cond_wait(&cond_add, &grep_mutex); | |
127 | } | |
128 | ||
129 | if (todo_start == todo_end && all_work_added) { | |
130 | ret = NULL; | |
131 | } else { | |
132 | ret = &todo[todo_start]; | |
133 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
134 | } | |
135 | grep_unlock(); | |
136 | return ret; | |
137 | } | |
138 | ||
139 | static void grep_sha1_async(struct grep_opt *opt, char *name, | |
140 | const unsigned char *sha1) | |
141 | { | |
142 | unsigned char *s; | |
143 | s = xmalloc(20); | |
144 | memcpy(s, sha1, 20); | |
145 | add_work(WORK_SHA1, name, s); | |
146 | } | |
147 | ||
148 | static void grep_file_async(struct grep_opt *opt, char *name, | |
149 | const char *filename) | |
150 | { | |
151 | add_work(WORK_FILE, name, xstrdup(filename)); | |
152 | } | |
153 | ||
154 | static void work_done(struct work_item *w) | |
155 | { | |
156 | int old_done; | |
157 | ||
158 | grep_lock(); | |
159 | w->done = 1; | |
160 | old_done = todo_done; | |
161 | for(; todo[todo_done].done && todo_done != todo_start; | |
162 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
163 | w = &todo[todo_done]; | |
431d6e7b | 164 | if (w->out.len) { |
08303c36 RS |
165 | const char *p = w->out.buf; |
166 | size_t len = w->out.len; | |
167 | ||
168 | /* Skip the leading hunk mark of the first file. */ | |
169 | if (skip_first_line) { | |
170 | while (len) { | |
171 | len--; | |
172 | if (*p++ == '\n') | |
173 | break; | |
174 | } | |
175 | skip_first_line = 0; | |
176 | } | |
177 | ||
178 | write_or_die(1, p, len); | |
431d6e7b | 179 | } |
5b594f45 FK |
180 | free(w->name); |
181 | free(w->identifier); | |
182 | } | |
183 | ||
184 | if (old_done != todo_done) | |
185 | pthread_cond_signal(&cond_write); | |
186 | ||
187 | if (all_work_added && todo_done == todo_end) | |
188 | pthread_cond_signal(&cond_result); | |
189 | ||
190 | grep_unlock(); | |
191 | } | |
192 | ||
193 | static void *run(void *arg) | |
194 | { | |
195 | int hit = 0; | |
196 | struct grep_opt *opt = arg; | |
197 | ||
198 | while (1) { | |
199 | struct work_item *w = get_work(); | |
200 | if (!w) | |
201 | break; | |
202 | ||
203 | opt->output_priv = w; | |
204 | if (w->type == WORK_SHA1) { | |
205 | unsigned long sz; | |
206 | void* data = load_sha1(w->identifier, &sz, w->name); | |
207 | ||
208 | if (data) { | |
209 | hit |= grep_buffer(opt, w->name, data, sz); | |
210 | free(data); | |
211 | } | |
212 | } else if (w->type == WORK_FILE) { | |
213 | size_t sz; | |
214 | void* data = load_file(w->identifier, &sz); | |
215 | if (data) { | |
216 | hit |= grep_buffer(opt, w->name, data, sz); | |
217 | free(data); | |
218 | } | |
219 | } else { | |
220 | assert(0); | |
221 | } | |
222 | ||
223 | work_done(w); | |
224 | } | |
bfac23d9 DM |
225 | free_grep_patterns(arg); |
226 | free(arg); | |
5b594f45 FK |
227 | |
228 | return (void*) (intptr_t) hit; | |
229 | } | |
230 | ||
231 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
232 | { | |
233 | struct work_item *w = opt->output_priv; | |
234 | strbuf_add(&w->out, buf, size); | |
235 | } | |
236 | ||
237 | static void start_threads(struct grep_opt *opt) | |
238 | { | |
239 | int i; | |
240 | ||
241 | pthread_mutex_init(&grep_mutex, NULL); | |
b3aeb285 | 242 | pthread_mutex_init(&grep_read_mutex, NULL); |
0579f91d | 243 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
244 | pthread_cond_init(&cond_add, NULL); |
245 | pthread_cond_init(&cond_write, NULL); | |
246 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 247 | grep_use_locks = 1; |
5b594f45 FK |
248 | |
249 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
250 | strbuf_init(&todo[i].out, 0); | |
251 | } | |
252 | ||
253 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
254 | int err; | |
255 | struct grep_opt *o = grep_opt_dup(opt); | |
256 | o->output = strbuf_out; | |
257 | compile_grep_patterns(o); | |
258 | err = pthread_create(&threads[i], NULL, run, o); | |
259 | ||
260 | if (err) | |
2fc5f9f1 | 261 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
262 | strerror(err)); |
263 | } | |
264 | } | |
265 | ||
266 | static int wait_all(void) | |
267 | { | |
268 | int hit = 0; | |
269 | int i; | |
270 | ||
271 | grep_lock(); | |
272 | all_work_added = 1; | |
273 | ||
274 | /* Wait until all work is done. */ | |
275 | while (todo_done != todo_end) | |
276 | pthread_cond_wait(&cond_result, &grep_mutex); | |
277 | ||
278 | /* Wake up all the consumer threads so they can see that there | |
279 | * is no more work to do. | |
280 | */ | |
281 | pthread_cond_broadcast(&cond_add); | |
282 | grep_unlock(); | |
283 | ||
284 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
285 | void *h; | |
286 | pthread_join(threads[i], &h); | |
287 | hit |= (int) (intptr_t) h; | |
288 | } | |
289 | ||
290 | pthread_mutex_destroy(&grep_mutex); | |
b3aeb285 | 291 | pthread_mutex_destroy(&grep_read_mutex); |
0579f91d | 292 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
293 | pthread_cond_destroy(&cond_add); |
294 | pthread_cond_destroy(&cond_write); | |
295 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 296 | grep_use_locks = 0; |
5b594f45 FK |
297 | |
298 | return hit; | |
299 | } | |
300 | #else /* !NO_PTHREADS */ | |
5b594f45 FK |
301 | |
302 | static int wait_all(void) | |
303 | { | |
304 | return 0; | |
305 | } | |
306 | #endif | |
307 | ||
7e8f59d5 RS |
308 | static int grep_config(const char *var, const char *value, void *cb) |
309 | { | |
310 | struct grep_opt *opt = cb; | |
55f638bd | 311 | char *color = NULL; |
7e8f59d5 | 312 | |
60ecac98 RS |
313 | switch (userdiff_config(var, value)) { |
314 | case 0: break; | |
315 | case -1: return -1; | |
316 | default: return 0; | |
317 | } | |
318 | ||
b22520a3 JR |
319 | if (!strcmp(var, "grep.extendedregexp")) { |
320 | if (git_config_bool(var, value)) | |
321 | opt->regflags |= REG_EXTENDED; | |
322 | else | |
323 | opt->regflags &= ~REG_EXTENDED; | |
324 | return 0; | |
325 | } | |
326 | ||
327 | if (!strcmp(var, "grep.linenumber")) { | |
328 | opt->linenum = git_config_bool(var, value); | |
329 | return 0; | |
330 | } | |
331 | ||
55f638bd | 332 | if (!strcmp(var, "color.grep")) |
e269eb79 | 333 | opt->color = git_config_colorbool(var, value); |
00588bb5 ML |
334 | else if (!strcmp(var, "color.grep.context")) |
335 | color = opt->color_context; | |
55f638bd ML |
336 | else if (!strcmp(var, "color.grep.filename")) |
337 | color = opt->color_filename; | |
00588bb5 ML |
338 | else if (!strcmp(var, "color.grep.function")) |
339 | color = opt->color_function; | |
55f638bd ML |
340 | else if (!strcmp(var, "color.grep.linenumber")) |
341 | color = opt->color_lineno; | |
342 | else if (!strcmp(var, "color.grep.match")) | |
343 | color = opt->color_match; | |
00588bb5 ML |
344 | else if (!strcmp(var, "color.grep.selected")) |
345 | color = opt->color_selected; | |
55f638bd ML |
346 | else if (!strcmp(var, "color.grep.separator")) |
347 | color = opt->color_sep; | |
348 | else | |
349 | return git_color_default_config(var, value, cb); | |
350 | if (color) { | |
7e8f59d5 RS |
351 | if (!value) |
352 | return config_error_nonbool(var); | |
55f638bd | 353 | color_parse(value, var, color); |
7e8f59d5 | 354 | } |
55f638bd | 355 | return 0; |
7e8f59d5 RS |
356 | } |
357 | ||
5f02d315 JH |
358 | static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
359 | { | |
360 | void *data; | |
361 | ||
b3aeb285 | 362 | grep_read_lock(); |
76416139 | 363 | data = read_sha1_file(sha1, type, size); |
b3aeb285 | 364 | grep_read_unlock(); |
5f02d315 JH |
365 | return data; |
366 | } | |
367 | ||
5b594f45 FK |
368 | static void *load_sha1(const unsigned char *sha1, unsigned long *size, |
369 | const char *name) | |
5010cb5f | 370 | { |
21666f1a | 371 | enum object_type type; |
5f02d315 | 372 | void *data = lock_and_read_sha1_file(sha1, &type, size); |
5b594f45 FK |
373 | |
374 | if (!data) | |
2fc5f9f1 | 375 | error(_("'%s': unable to read %s"), name, sha1_to_hex(sha1)); |
5b594f45 FK |
376 | |
377 | return data; | |
378 | } | |
379 | ||
380 | static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, | |
381 | const char *filename, int tree_name_len) | |
382 | { | |
383 | struct strbuf pathbuf = STRBUF_INIT; | |
384 | char *name; | |
385 | ||
0d042fec | 386 | if (opt->relative && opt->prefix_length) { |
5b594f45 FK |
387 | quote_path_relative(filename + tree_name_len, -1, &pathbuf, |
388 | opt->prefix); | |
389 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
390 | } else { | |
391 | strbuf_addstr(&pathbuf, filename); | |
392 | } | |
393 | ||
394 | name = strbuf_detach(&pathbuf, NULL); | |
395 | ||
396 | #ifndef NO_PTHREADS | |
397 | if (use_threads) { | |
398 | grep_sha1_async(opt, name, sha1); | |
399 | return 0; | |
400 | } else | |
401 | #endif | |
402 | { | |
403 | int hit; | |
404 | unsigned long sz; | |
405 | void *data = load_sha1(sha1, &sz, name); | |
406 | if (!data) | |
407 | hit = 0; | |
408 | else | |
409 | hit = grep_buffer(opt, name, data, sz); | |
410 | ||
411 | free(data); | |
412 | free(name); | |
413 | return hit; | |
0d042fec | 414 | } |
5010cb5f JH |
415 | } |
416 | ||
5b594f45 | 417 | static void *load_file(const char *filename, size_t *sz) |
5010cb5f JH |
418 | { |
419 | struct stat st; | |
5010cb5f | 420 | char *data; |
5b594f45 | 421 | int i; |
dc49cd76 | 422 | |
5010cb5f JH |
423 | if (lstat(filename, &st) < 0) { |
424 | err_ret: | |
425 | if (errno != ENOENT) | |
2fc5f9f1 | 426 | error(_("'%s': %s"), filename, strerror(errno)); |
1e4cd68c | 427 | return NULL; |
5010cb5f | 428 | } |
5010cb5f | 429 | if (!S_ISREG(st.st_mode)) |
1e4cd68c | 430 | return NULL; |
5b594f45 | 431 | *sz = xsize_t(st.st_size); |
5010cb5f JH |
432 | i = open(filename, O_RDONLY); |
433 | if (i < 0) | |
434 | goto err_ret; | |
5b594f45 FK |
435 | data = xmalloc(*sz + 1); |
436 | if (st.st_size != read_in_full(i, data, *sz)) { | |
2fc5f9f1 | 437 | error(_("'%s': short read %s"), filename, strerror(errno)); |
5010cb5f JH |
438 | close(i); |
439 | free(data); | |
1e4cd68c | 440 | return NULL; |
5010cb5f JH |
441 | } |
442 | close(i); | |
5b594f45 FK |
443 | data[*sz] = 0; |
444 | return data; | |
445 | } | |
446 | ||
447 | static int grep_file(struct grep_opt *opt, const char *filename) | |
448 | { | |
449 | struct strbuf buf = STRBUF_INIT; | |
450 | char *name; | |
451 | ||
0d042fec | 452 | if (opt->relative && opt->prefix_length) |
5b594f45 FK |
453 | quote_path_relative(filename, -1, &buf, opt->prefix); |
454 | else | |
455 | strbuf_addstr(&buf, filename); | |
456 | name = strbuf_detach(&buf, NULL); | |
457 | ||
458 | #ifndef NO_PTHREADS | |
459 | if (use_threads) { | |
460 | grep_file_async(opt, name, filename); | |
461 | return 0; | |
462 | } else | |
463 | #endif | |
464 | { | |
465 | int hit; | |
466 | size_t sz; | |
467 | void *data = load_file(filename, &sz); | |
468 | if (!data) | |
469 | hit = 0; | |
470 | else | |
471 | hit = grep_buffer(opt, name, data, sz); | |
472 | ||
473 | free(data); | |
474 | free(name); | |
475 | return hit; | |
476 | } | |
5010cb5f JH |
477 | } |
478 | ||
678e484b JS |
479 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
480 | { | |
481 | struct string_list *path_list = opt->output_priv; | |
482 | ||
483 | if (len == 1 && *(const char *)data == '\0') | |
484 | return; | |
0c72cead | 485 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
486 | } |
487 | ||
488 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
489 | { | |
490 | struct string_list *path_list = opt->output_priv; | |
491 | const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1)); | |
492 | int i, status; | |
493 | ||
494 | for (i = 0; i < path_list->nr; i++) | |
495 | argv[i] = path_list->items[i].string; | |
496 | argv[path_list->nr] = NULL; | |
497 | ||
498 | if (prefix && chdir(prefix)) | |
2fc5f9f1 | 499 | die(_("Failed to chdir: %s"), prefix); |
678e484b JS |
500 | status = run_command_v_opt(argv, RUN_USING_SHELL); |
501 | if (status) | |
502 | exit(status); | |
503 | free(argv); | |
504 | } | |
505 | ||
f34bbc15 | 506 | static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached) |
5010cb5f JH |
507 | { |
508 | int hit = 0; | |
509 | int nr; | |
510 | read_cache(); | |
511 | ||
512 | for (nr = 0; nr < active_nr; nr++) { | |
513 | struct cache_entry *ce = active_cache[nr]; | |
7a51ed66 | 514 | if (!S_ISREG(ce->ce_mode)) |
5010cb5f | 515 | continue; |
2ed2437a | 516 | if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL)) |
5010cb5f | 517 | continue; |
57d43466 NTND |
518 | /* |
519 | * If CE_VALID is on, we assume worktree file and its cache entry | |
520 | * are identical, even if worktree file has been modified, so use | |
521 | * cache version instead | |
522 | */ | |
b4d1690d | 523 | if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) { |
36f2587f JH |
524 | if (ce_stage(ce)) |
525 | continue; | |
0d042fec | 526 | hit |= grep_sha1(opt, ce->sha1, ce->name, 0); |
36f2587f | 527 | } |
5010cb5f JH |
528 | else |
529 | hit |= grep_file(opt, ce->name); | |
36f2587f JH |
530 | if (ce_stage(ce)) { |
531 | do { | |
532 | nr++; | |
533 | } while (nr < active_nr && | |
534 | !strcmp(ce->name, active_cache[nr]->name)); | |
535 | nr--; /* compensate for loop control */ | |
536 | } | |
c8610a2e JH |
537 | if (hit && opt->status_only) |
538 | break; | |
5010cb5f JH |
539 | } |
540 | return hit; | |
541 | } | |
542 | ||
f34bbc15 | 543 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
e5e062b6 | 544 | struct tree_desc *tree, struct strbuf *base, int tn_len) |
5010cb5f | 545 | { |
d688cf07 NTND |
546 | int hit = 0; |
547 | enum interesting match = entry_not_interesting; | |
4c068a98 | 548 | struct name_entry entry; |
e5e062b6 | 549 | int old_baselen = base->len; |
5010cb5f | 550 | |
4c068a98 | 551 | while (tree_entry(tree, &entry)) { |
0de16337 | 552 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 553 | |
d688cf07 | 554 | if (match != all_entries_interesting) { |
97d0b74a | 555 | match = tree_entry_interesting(&entry, base, tn_len, pathspec); |
d688cf07 | 556 | if (match == all_entries_not_interesting) |
97d0b74a | 557 | break; |
d688cf07 | 558 | if (match == entry_not_interesting) |
1376e507 NTND |
559 | continue; |
560 | } | |
5010cb5f | 561 | |
1376e507 | 562 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 563 | |
1376e507 | 564 | if (S_ISREG(entry.mode)) { |
e5e062b6 NTND |
565 | hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len); |
566 | } | |
4c068a98 | 567 | else if (S_ISDIR(entry.mode)) { |
21666f1a | 568 | enum object_type type; |
5010cb5f JH |
569 | struct tree_desc sub; |
570 | void *data; | |
6fda5e51 LT |
571 | unsigned long size; |
572 | ||
5f02d315 | 573 | data = lock_and_read_sha1_file(entry.sha1, &type, &size); |
5010cb5f | 574 | if (!data) |
2fc5f9f1 | 575 | die(_("unable to read tree (%s)"), |
4c068a98 | 576 | sha1_to_hex(entry.sha1)); |
1376e507 NTND |
577 | |
578 | strbuf_addch(base, '/'); | |
6fda5e51 | 579 | init_tree_desc(&sub, data, size); |
e5e062b6 | 580 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len); |
5010cb5f JH |
581 | free(data); |
582 | } | |
e5e062b6 NTND |
583 | strbuf_setlen(base, old_baselen); |
584 | ||
c8610a2e JH |
585 | if (hit && opt->status_only) |
586 | break; | |
5010cb5f JH |
587 | } |
588 | return hit; | |
589 | } | |
590 | ||
f34bbc15 | 591 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
5010cb5f JH |
592 | struct object *obj, const char *name) |
593 | { | |
1974632c | 594 | if (obj->type == OBJ_BLOB) |
0d042fec | 595 | return grep_sha1(opt, obj->sha1, name, 0); |
1974632c | 596 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
597 | struct tree_desc tree; |
598 | void *data; | |
6fda5e51 | 599 | unsigned long size; |
e5e062b6 NTND |
600 | struct strbuf base; |
601 | int hit, len; | |
602 | ||
b3aeb285 | 603 | grep_read_lock(); |
5010cb5f | 604 | data = read_object_with_reference(obj->sha1, tree_type, |
6fda5e51 | 605 | &size, NULL); |
b3aeb285 | 606 | grep_read_unlock(); |
8cb5775b | 607 | |
5010cb5f | 608 | if (!data) |
2fc5f9f1 | 609 | die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); |
e5e062b6 NTND |
610 | |
611 | len = name ? strlen(name) : 0; | |
612 | strbuf_init(&base, PATH_MAX + len + 1); | |
613 | if (len) { | |
614 | strbuf_add(&base, name, len); | |
615 | strbuf_addch(&base, ':'); | |
616 | } | |
6fda5e51 | 617 | init_tree_desc(&tree, data, size); |
e5e062b6 NTND |
618 | hit = grep_tree(opt, pathspec, &tree, &base, base.len); |
619 | strbuf_release(&base); | |
5010cb5f JH |
620 | free(data); |
621 | return hit; | |
622 | } | |
2fc5f9f1 | 623 | die(_("unable to grep from object of type %s"), typename(obj->type)); |
5010cb5f JH |
624 | } |
625 | ||
f34bbc15 | 626 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
627 | const struct object_array *list) |
628 | { | |
629 | unsigned int i; | |
630 | int hit = 0; | |
631 | const unsigned int nr = list->nr; | |
632 | ||
633 | for (i = 0; i < nr; i++) { | |
634 | struct object *real_obj; | |
635 | real_obj = deref_tag(list->objects[i].item, NULL, 0); | |
f34bbc15 | 636 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name)) { |
30d00c39 JN |
637 | hit = 1; |
638 | if (opt->status_only) | |
639 | break; | |
640 | } | |
641 | } | |
642 | return hit; | |
643 | } | |
644 | ||
dbfae86a JH |
645 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
646 | int exc_std) | |
59332d13 JH |
647 | { |
648 | struct dir_struct dir; | |
649 | int i, hit = 0; | |
650 | ||
651 | memset(&dir, 0, sizeof(dir)); | |
0a93fb8a JH |
652 | if (exc_std) |
653 | setup_standard_excludes(&dir); | |
59332d13 | 654 | |
f34bbc15 | 655 | fill_directory(&dir, pathspec->raw); |
59332d13 | 656 | for (i = 0; i < dir.nr; i++) { |
9d8b831b JH |
657 | const char *name = dir.entries[i]->name; |
658 | int namelen = strlen(name); | |
659 | if (!match_pathspec_depth(pathspec, name, namelen, 0, NULL)) | |
660 | continue; | |
59332d13 JH |
661 | hit |= grep_file(opt, dir.entries[i]->name); |
662 | if (hit && opt->status_only) | |
663 | break; | |
664 | } | |
59332d13 JH |
665 | return hit; |
666 | } | |
667 | ||
ff3c7f9a RS |
668 | static int context_callback(const struct option *opt, const char *arg, |
669 | int unset) | |
3e230fa1 RS |
670 | { |
671 | struct grep_opt *grep_opt = opt->value; | |
672 | int value; | |
673 | const char *endp; | |
674 | ||
675 | if (unset) { | |
676 | grep_opt->pre_context = grep_opt->post_context = 0; | |
677 | return 0; | |
678 | } | |
679 | value = strtol(arg, (char **)&endp, 10); | |
680 | if (*endp) { | |
2fc5f9f1 | 681 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
682 | opt->short_name); |
683 | } | |
684 | grep_opt->pre_context = grep_opt->post_context = value; | |
685 | return 0; | |
686 | } | |
687 | ||
ff3c7f9a | 688 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
689 | { |
690 | struct grep_opt *grep_opt = opt->value; | |
c41dd2fd | 691 | int from_stdin = !strcmp(arg, "-"); |
3e230fa1 RS |
692 | FILE *patterns; |
693 | int lno = 0; | |
cfe370c6 | 694 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 695 | |
c41dd2fd | 696 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 697 | if (!patterns) |
2fc5f9f1 | 698 | die_errno(_("cannot open '%s'"), arg); |
3e230fa1 | 699 | while (strbuf_getline(&sb, patterns, '\n') == 0) { |
ed40a095 RS |
700 | char *s; |
701 | size_t len; | |
702 | ||
3e230fa1 RS |
703 | /* ignore empty line like grep does */ |
704 | if (sb.len == 0) | |
705 | continue; | |
ed40a095 RS |
706 | |
707 | s = strbuf_detach(&sb, &len); | |
708 | append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN); | |
3e230fa1 | 709 | } |
c41dd2fd RS |
710 | if (!from_stdin) |
711 | fclose(patterns); | |
3e230fa1 RS |
712 | strbuf_release(&sb); |
713 | return 0; | |
714 | } | |
715 | ||
ff3c7f9a | 716 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
717 | { |
718 | struct grep_opt *grep_opt = opt->value; | |
719 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); | |
720 | return 0; | |
721 | } | |
722 | ||
ff3c7f9a | 723 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
724 | { |
725 | struct grep_opt *grep_opt = opt->value; | |
726 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); | |
727 | return 0; | |
728 | } | |
729 | ||
ff3c7f9a | 730 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
731 | { |
732 | struct grep_opt *grep_opt = opt->value; | |
733 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); | |
734 | return 0; | |
735 | } | |
736 | ||
ff3c7f9a | 737 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
738 | { |
739 | struct grep_opt *grep_opt = opt->value; | |
740 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); | |
741 | return 0; | |
742 | } | |
743 | ||
ff3c7f9a RS |
744 | static int pattern_callback(const struct option *opt, const char *arg, |
745 | int unset) | |
3e230fa1 RS |
746 | { |
747 | struct grep_opt *grep_opt = opt->value; | |
748 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); | |
749 | return 0; | |
750 | } | |
5010cb5f | 751 | |
ff3c7f9a | 752 | static int help_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
753 | { |
754 | return -1; | |
755 | } | |
088b084b | 756 | |
a633fca0 | 757 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 758 | { |
5010cb5f | 759 | int hit = 0; |
0a93fb8a | 760 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 761 | int seen_dashdash = 0; |
bbc09c22 | 762 | int external_grep_allowed__ignored; |
0af88c15 | 763 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 764 | struct grep_opt opt; |
3cd47459 | 765 | struct object_array list = OBJECT_ARRAY_INIT; |
1362671f | 766 | const char **paths = NULL; |
f34bbc15 | 767 | struct pathspec pathspec; |
183113a5 | 768 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 769 | int i; |
3e230fa1 | 770 | int dummy; |
ff38d1a9 | 771 | int use_index = 1; |
cca2c172 JH |
772 | enum { |
773 | pattern_type_unspecified = 0, | |
774 | pattern_type_bre, | |
775 | pattern_type_ere, | |
776 | pattern_type_fixed, | |
777 | pattern_type_pcre, | |
778 | }; | |
779 | int pattern_type = pattern_type_unspecified; | |
780 | ||
3e230fa1 RS |
781 | struct option options[] = { |
782 | OPT_BOOLEAN(0, "cached", &cached, | |
783 | "search in index instead of in the work tree"), | |
ac1d33dd BW |
784 | { OPTION_BOOLEAN, 0, "index", &use_index, NULL, |
785 | "finds in contents not managed by git", | |
786 | PARSE_OPT_NOARG | PARSE_OPT_NEGHELP }, | |
0a93fb8a JH |
787 | OPT_BOOLEAN(0, "untracked", &untracked, |
788 | "search in both tracked and untracked files"), | |
789 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, | |
790 | "search also in ignored files", 1), | |
3e230fa1 RS |
791 | OPT_GROUP(""), |
792 | OPT_BOOLEAN('v', "invert-match", &opt.invert, | |
793 | "show non-matching lines"), | |
5183bf67 BC |
794 | OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case, |
795 | "case insensitive matching"), | |
3e230fa1 RS |
796 | OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp, |
797 | "match patterns only at word boundaries"), | |
798 | OPT_SET_INT('a', "text", &opt.binary, | |
799 | "process binary files as text", GREP_BINARY_TEXT), | |
800 | OPT_SET_INT('I', NULL, &opt.binary, | |
801 | "don't match patterns in binary files", | |
802 | GREP_BINARY_NOMATCH), | |
a91f453f MK |
803 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth", |
804 | "descend at most <depth> levels", PARSE_OPT_NONEG, | |
805 | NULL, 1 }, | |
3e230fa1 | 806 | OPT_GROUP(""), |
cca2c172 JH |
807 | OPT_SET_INT('E', "extended-regexp", &pattern_type, |
808 | "use extended POSIX regular expressions", | |
809 | pattern_type_ere), | |
810 | OPT_SET_INT('G', "basic-regexp", &pattern_type, | |
811 | "use basic POSIX regular expressions (default)", | |
812 | pattern_type_bre), | |
813 | OPT_SET_INT('F', "fixed-strings", &pattern_type, | |
814 | "interpret patterns as fixed strings", | |
815 | pattern_type_fixed), | |
816 | OPT_SET_INT('P', "perl-regexp", &pattern_type, | |
817 | "use Perl-compatible regular expressions", | |
818 | pattern_type_pcre), | |
3e230fa1 | 819 | OPT_GROUP(""), |
7d6cb10b | 820 | OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"), |
3e230fa1 RS |
821 | OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1), |
822 | OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1), | |
823 | OPT_NEGBIT(0, "full-name", &opt.relative, | |
824 | "show filenames relative to top directory", 1), | |
825 | OPT_BOOLEAN('l', "files-with-matches", &opt.name_only, | |
826 | "show only filenames instead of matching lines"), | |
827 | OPT_BOOLEAN(0, "name-only", &opt.name_only, | |
828 | "synonym for --files-with-matches"), | |
829 | OPT_BOOLEAN('L', "files-without-match", | |
830 | &opt.unmatch_name_only, | |
831 | "show only the names of files without match"), | |
832 | OPT_BOOLEAN('z', "null", &opt.null_following_name, | |
833 | "print NUL after filenames"), | |
834 | OPT_BOOLEAN('c', "count", &opt.count, | |
835 | "show the number of matches instead of matching lines"), | |
73e9da01 | 836 | OPT__COLOR(&opt.color, "highlight matches"), |
a8f0e764 RS |
837 | OPT_BOOLEAN(0, "break", &opt.file_break, |
838 | "print empty line between matches from different files"), | |
1d84f72e RS |
839 | OPT_BOOLEAN(0, "heading", &opt.heading, |
840 | "show filename only once above matches from same file"), | |
3e230fa1 | 841 | OPT_GROUP(""), |
317f63c2 | 842 | OPT_CALLBACK('C', "context", &opt, "n", |
3e230fa1 RS |
843 | "show <n> context lines before and after matches", |
844 | context_callback), | |
317f63c2 | 845 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
3e230fa1 | 846 | "show <n> context lines before matches"), |
317f63c2 | 847 | OPT_INTEGER('A', "after-context", &opt.post_context, |
3e230fa1 RS |
848 | "show <n> context lines after matches"), |
849 | OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM", | |
850 | context_callback), | |
2944e4e6 RS |
851 | OPT_BOOLEAN('p', "show-function", &opt.funcname, |
852 | "show a line with the function name before matches"), | |
317f63c2 | 853 | OPT_BOOLEAN('W', "function-context", &opt.funcbody, |
ba8ea749 | 854 | "show the surrounding function"), |
3e230fa1 RS |
855 | OPT_GROUP(""), |
856 | OPT_CALLBACK('f', NULL, &opt, "file", | |
857 | "read patterns from file", file_callback), | |
858 | { OPTION_CALLBACK, 'e', NULL, &opt, "pattern", | |
859 | "match <pattern>", PARSE_OPT_NONEG, pattern_callback }, | |
860 | { OPTION_CALLBACK, 0, "and", &opt, NULL, | |
861 | "combine patterns specified with -e", | |
862 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, | |
863 | OPT_BOOLEAN(0, "or", &dummy, ""), | |
864 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", | |
865 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
866 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
867 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
868 | open_callback }, | |
869 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
870 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
871 | close_callback }, | |
d52ee6e6 RS |
872 | OPT__QUIET(&opt.status_only, |
873 | "indicate hit with exit status without output"), | |
3e230fa1 RS |
874 | OPT_BOOLEAN(0, "all-match", &opt.all_match, |
875 | "show only matches from files that match all patterns"), | |
876 | OPT_GROUP(""), | |
0af88c15 JS |
877 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
878 | "pager", "show matching files in the pager", | |
879 | PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager }, | |
bbc09c22 JH |
880 | OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored, |
881 | "allow calling of grep(1) (ignored by this build)"), | |
3e230fa1 RS |
882 | { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage", |
883 | PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback }, | |
884 | OPT_END() | |
885 | }; | |
5010cb5f | 886 | |
9c855c31 JN |
887 | /* |
888 | * 'git grep -h', unlike 'git grep -h <pattern>', is a request | |
889 | * to show usage information and exit. | |
890 | */ | |
891 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
892 | usage_with_options(grep_usage, options); | |
893 | ||
5010cb5f | 894 | memset(&opt, 0, sizeof(opt)); |
493b7a08 | 895 | opt.prefix = prefix; |
0d042fec JH |
896 | opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0; |
897 | opt.relative = 1; | |
7977f0ea | 898 | opt.pathname = 1; |
f9b9faf6 | 899 | opt.pattern_tail = &opt.pattern_list; |
80235ba7 | 900 | opt.header_tail = &opt.header_list; |
5010cb5f | 901 | opt.regflags = REG_NEWLINE; |
a91f453f | 902 | opt.max_depth = -1; |
5010cb5f | 903 | |
00588bb5 | 904 | strcpy(opt.color_context, ""); |
55f638bd | 905 | strcpy(opt.color_filename, ""); |
00588bb5 | 906 | strcpy(opt.color_function, ""); |
55f638bd | 907 | strcpy(opt.color_lineno, ""); |
758df17a | 908 | strcpy(opt.color_match, GIT_COLOR_BOLD_RED); |
00588bb5 | 909 | strcpy(opt.color_selected, ""); |
55f638bd | 910 | strcpy(opt.color_sep, GIT_COLOR_CYAN); |
7e8f59d5 RS |
911 | opt.color = -1; |
912 | git_config(grep_config, &opt); | |
7e8f59d5 | 913 | |
5010cb5f | 914 | /* |
5acd64ed JH |
915 | * If there is no -- then the paths must exist in the working |
916 | * tree. If there is no explicit pattern specified with -e or | |
917 | * -f, we take the first unrecognized non option to be the | |
918 | * pattern, but then what follows it must be zero or more | |
919 | * valid refs up to the -- (if exists), and then existing | |
920 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 921 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 922 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 923 | */ |
37782920 | 924 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 RS |
925 | PARSE_OPT_KEEP_DASHDASH | |
926 | PARSE_OPT_STOP_AT_NON_OPTION | | |
927 | PARSE_OPT_NO_INTERNAL_HELP); | |
cca2c172 JH |
928 | switch (pattern_type) { |
929 | case pattern_type_fixed: | |
930 | opt.fixed = 1; | |
931 | opt.pcre = 0; | |
932 | break; | |
933 | case pattern_type_bre: | |
934 | opt.fixed = 0; | |
935 | opt.pcre = 0; | |
936 | opt.regflags &= ~REG_EXTENDED; | |
937 | break; | |
938 | case pattern_type_ere: | |
939 | opt.fixed = 0; | |
940 | opt.pcre = 0; | |
941 | opt.regflags |= REG_EXTENDED; | |
942 | break; | |
943 | case pattern_type_pcre: | |
944 | opt.fixed = 0; | |
945 | opt.pcre = 1; | |
946 | break; | |
947 | default: | |
948 | break; /* nothing */ | |
949 | } | |
3e230fa1 | 950 | |
ff38d1a9 | 951 | if (use_index && !startup_info->have_repository) |
59332d13 JH |
952 | /* die the same way as if we did it at the beginning */ |
953 | setup_git_directory(); | |
954 | ||
1123c67c JK |
955 | /* |
956 | * skip a -- separator; we know it cannot be | |
957 | * separating revisions from pathnames if | |
958 | * we haven't even had any patterns yet | |
959 | */ | |
960 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
961 | argv++; | |
962 | argc--; | |
963 | } | |
964 | ||
3e230fa1 RS |
965 | /* First unrecognized non-option token */ |
966 | if (argc > 0 && !opt.pattern_list) { | |
967 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
968 | GREP_PATTERN); | |
969 | argv++; | |
970 | argc--; | |
5010cb5f | 971 | } |
5acd64ed | 972 | |
0af88c15 JS |
973 | if (show_in_pager == default_pager) |
974 | show_in_pager = git_pager(1); | |
678e484b | 975 | if (show_in_pager) { |
e7b082a4 | 976 | opt.color = 0; |
0af88c15 JS |
977 | opt.name_only = 1; |
978 | opt.null_following_name = 1; | |
979 | opt.output_priv = &path_list; | |
980 | opt.output = append_path; | |
0c72cead | 981 | string_list_append(&path_list, show_in_pager); |
0af88c15 | 982 | use_threads = 0; |
678e484b JS |
983 | } |
984 | ||
f9b9faf6 | 985 | if (!opt.pattern_list) |
2fc5f9f1 | 986 | die(_("no pattern given.")); |
5183bf67 BC |
987 | if (!opt.fixed && opt.ignore_case) |
988 | opt.regflags |= REG_ICASE; | |
5b594f45 | 989 | |
83b5d2f5 | 990 | compile_grep_patterns(&opt); |
5acd64ed JH |
991 | |
992 | /* Check revs and then paths */ | |
3e230fa1 | 993 | for (i = 0; i < argc; i++) { |
5acd64ed | 994 | const char *arg = argv[i]; |
1362671f | 995 | unsigned char sha1[20]; |
5acd64ed JH |
996 | /* Is it a rev? */ |
997 | if (!get_sha1(arg, sha1)) { | |
998 | struct object *object = parse_object(sha1); | |
5acd64ed | 999 | if (!object) |
2fc5f9f1 | 1000 | die(_("bad object %s"), arg); |
1f1e895f | 1001 | add_object_array(object, arg, &list); |
5acd64ed JH |
1002 | continue; |
1003 | } | |
1004 | if (!strcmp(arg, "--")) { | |
1005 | i++; | |
1006 | seen_dashdash = 1; | |
1007 | } | |
1008 | break; | |
1362671f | 1009 | } |
5acd64ed | 1010 | |
53b8d931 TR |
1011 | #ifndef NO_PTHREADS |
1012 | if (list.nr || cached || online_cpus() == 1) | |
1013 | use_threads = 0; | |
1014 | #else | |
1015 | use_threads = 0; | |
1016 | #endif | |
1017 | ||
53b8d931 TR |
1018 | #ifndef NO_PTHREADS |
1019 | if (use_threads) { | |
1020 | if (opt.pre_context || opt.post_context || opt.file_break || | |
1021 | opt.funcbody) | |
1022 | skip_first_line = 1; | |
1023 | start_threads(&opt); | |
1024 | } | |
1025 | #endif | |
1026 | ||
5acd64ed JH |
1027 | /* The rest are paths */ |
1028 | if (!seen_dashdash) { | |
1029 | int j; | |
c39c4f47 | 1030 | for (j = i; j < argc; j++) |
5acd64ed JH |
1031 | verify_filename(prefix, argv[j]); |
1032 | } | |
1033 | ||
7c5f3cc4 | 1034 | paths = get_pathspec(prefix, argv + i); |
f34bbc15 | 1035 | init_pathspec(&pathspec, paths); |
1376e507 NTND |
1036 | pathspec.max_depth = opt.max_depth; |
1037 | pathspec.recursive = 1; | |
5010cb5f | 1038 | |
678e484b | 1039 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1040 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1041 | |
1042 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1043 | const char *pager = path_list.items[0].string; | |
1044 | int len = strlen(pager); | |
1045 | ||
1046 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1047 | pager += len - 4; | |
1048 | ||
1049 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { | |
1050 | struct strbuf buf = STRBUF_INIT; | |
1051 | strbuf_addf(&buf, "+/%s%s", | |
1052 | strcmp("less", pager) ? "" : "*", | |
1053 | opt.pattern_list->pattern); | |
0c72cead | 1054 | string_list_append(&path_list, buf.buf); |
678e484b JS |
1055 | strbuf_detach(&buf, NULL); |
1056 | } | |
1057 | } | |
1058 | ||
1059 | if (!show_in_pager) | |
1060 | setup_pager(); | |
1061 | ||
0a93fb8a | 1062 | if (!use_index && (untracked || cached)) |
dbfae86a | 1063 | die(_("--cached or --untracked cannot be used with --no-index.")); |
678e484b | 1064 | |
0a93fb8a | 1065 | if (!use_index || untracked) { |
0a93fb8a | 1066 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
59332d13 | 1067 | if (list.nr) |
dbfae86a JH |
1068 | die(_("--no-index or --untracked cannot be used with revs.")); |
1069 | hit = grep_directory(&opt, &pathspec, use_exclude); | |
1070 | } else if (0 <= opt_exclude) { | |
9fddaf78 | 1071 | die(_("--[no-]exclude-standard cannot be used for tracked contents.")); |
685359cf | 1072 | } else if (!list.nr) { |
6577f542 NTND |
1073 | if (!cached) |
1074 | setup_work_tree(); | |
5b594f45 | 1075 | |
f34bbc15 | 1076 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1077 | } else { |
1078 | if (cached) | |
2fc5f9f1 | 1079 | die(_("both --cached and trees are given.")); |
f34bbc15 | 1080 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1081 | } |
5b594f45 FK |
1082 | |
1083 | if (use_threads) | |
1084 | hit |= wait_all(); | |
678e484b JS |
1085 | if (hit && show_in_pager) |
1086 | run_pager(&opt, prefix); | |
b48fb5b6 | 1087 | free_grep_patterns(&opt); |
5010cb5f JH |
1088 | return !hit; |
1089 | } |